266494413 has 8 divisors (see below), whose sum is σ = 359824000. Its totient is φ = 175413888.

The previous prime is 266494409. The next prime is 266494429. The reversal of 266494413 is 314494662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 266494413 - 2² = 266494409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266494433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561988 + ... + 562461.

It is an arithmetic number, because the mean of its divisors is an integer number (44978000).

Almost surely, 2^266494413 is an apocalyptic number.

It is an amenable number.

266494413 is a deficient number, since it is larger than the sum of its proper divisors (93329587).

266494413 is a wasteful number, since it uses less digits than its factorization.

266494413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124531.

The product of its digits is 124416, while the sum is 39.

The square root of 266494413 is about 16324.6565966945. The cubic root of 266494413 is about 643.5209689799.

The spelling of 266494413 in words is "two hundred sixty-six million, four hundred ninety-four thousand, four hundred thirteen".